यदि (p=-1), तो \(2p^4-3p^3+4p^2-5\) का मान क्या होगा?

If (p=-1), what is the value of \(2p^4-3p^3+4p^2-5\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (4)

Step 1

Concept

Substitution gives (2+3+4-5=4). Even powers of (-1) are (1), and odd powers are (-1).

Step 2

Why this answer is correct

The correct answer is B. (4). Substitution gives (2+3+4-5=4). Even powers of (-1) are (1), and odd powers are (-1).

Step 3

Exam Tip

मान रखने पर (2+3+4-5=4) मिलता है। (-1) की सम घात (1) और विषम घात (-1) होती है।

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Mathematics Answer, Explanation and Revision Hints

यदि (p=-1), तो \(2p^4-3p^3+4p^2-5\) का मान क्या होगा? / If (p=-1), what is the value of \(2p^4-3p^3+4p^2-5\)?

Correct Answer: B. (4). Explanation: मान रखने पर (2+3+4-5=4) मिलता है। (-1) की सम घात (1) और विषम घात (-1) होती है। / Substitution gives (2+3+4-5=4). Even powers of (-1) are (1), and odd powers are (-1).

Which concept should I revise for this Mathematics MCQ?

Substitution gives (2+3+4-5=4). Even powers of (-1) are (1), and odd powers are (-1).

What exam hint can help solve this Mathematics question?

मान रखने पर (2+3+4-5=4) मिलता है। (-1) की सम घात (1) और विषम घात (-1) होती है।